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A student uses a volumetric pipet to transfer 10.00 mL of the NaCl solution as described question 3 to a beaker. the mass of this volume of solution is 10.08 g. Determine the density of the solution.
Potassium sulfate solution reacts with barium bromide solution to produce a precipitate of barium sulfate and a solution of potassium bromide. State the molecular equation for this reaction. Then state the corresponding net ionic equation.
Consider a solution containing 4.95 mM of an analyte, X, and 1.79 mM of a standard, S. Upon chromatographic separation of the solution peak areas for X and S are 3569 and 10981, respectively. Determine the response factor for X relative to S.
Assuming no change in volume of the solution, determine the pH, the concentration of barium ions in the final solution, and the mass of solid formed Explain each and every step in detail. I need proficient help in the above problems.
What are the three possible nuclear arrangements of N2O. Which one allows for a "good" Lewis structure. This isnt the one nature prefers. Which of the two "imperfect" arrangments is superior
how much energy is required to turn 500 g of ice at -15.0 celsius to liquid water at 55.0 celsius? specific heat (ice) = 2.10 J/g * C. Specific heat (water)= 4.18 J/g*C
A solution is prepared by dissolving 411g of sucrose in 646g of water. What is the vapor pressure of this solution at 30C
Explain why it is important to use crucible tongs when you transfer the heated crucible
Elemental analysis is performed on an organic liquid with a fishy odor. Vaporization of 275.0 mg of the compound in a 190-mL bulb at 110°C gives a pressure of 400.0 torr. What is the molar mass of this compound? Enter units.
In Mecca during the recent annual Hajj, carbon monoxide levels in traffic tunnels peaked at 57,400 ppb by volume. Assuming ambient pressure ~ 1.00 atm, and T = 41.5 oC what mass of CO is in 1.00-L of the air, as micrograms?
What chemical reaction (formula) is involved in the thermal decomposition of ammonium persulfate (NH42S2O8)
What ions and/or molecules are present in relatively large proportions in a solution of a soluble ionic compound K2S (aq)
approximately 80 of the mass of a human body consists of aqueous solutions spinal fluid blood etc. these solutions are
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